Use struct assignment instead of explicit memcpy

for POD structs effect_descriptor_t and effect_config_t

Change-Id: Ib2fc47f85fb65ed91b0abb1f87217c49b5eb571d
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index f07fe8e..1cf5448 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -514,7 +514,7 @@
     for (size_t i = 0; i < effects.size(); i++) {
         effect_descriptor_t desc = effects[i]->descriptor();
         if (i < *count) {
-            memcpy(descriptors + i, &desc, sizeof(effect_descriptor_t));
+            descriptors[i] = desc;
         }
     }
     if (effects.size() > *count) {